Christmas Day marks the unofficial opening of the NBA season. For the casual fan, the marquee matchups and the showcasing of the league's biggest stars is a clear signal that it's basketball season. It's also a good day for selling. The NBA markets special uniforms that the teams wear that day and shoe companies unveil their latest editions. Here's a look at some notable NBA Christmas Days. Philadelphia Warriors at New York, 1961 -- The Warriors' Wilt Chamberlain had a slightly above-average game with 56 points and 36 rebounds, but Philadelphia lost 136-135 in double-overtime. This was the season Chamberlain averaged 50.
Memorable NBA Christmas Day games
